15.25: A gas undergoes the u0r c 0z7lq v .oks-)*owhhzjj)nusual process M $\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?

  03.28: When gas escapes from a pressurized cylinder, the stream ef;oq-rc9 9 uiuaa ;m2of gas feels cool. Th;2; q 9ua aec-romfui9is is because

  94.35: A gas can be taken from statc mx-kwh;h 2)ke a to c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system and 30.0 J of heat are added to the system. During the process a→b→c, 25.0 J of heat are added to the system. How much work is done by m- )xh;wc2kkh the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the 7vdsh.c p;02u4k jn bpprocess of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J of h; c4v2phnjd0pks7. bueat are added. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gk*vit9ls + z(cas is isothermally compressed:

  97.15: Which of the following is always true for an isothermal process of an r81u1q +cgbqrideal gas q rr+u1g1c8bq?

  13.31: A monatomic ideal gas undergoes a reversd)b +dqk4pgiqz+zlw236 6mm7td: ynmible isothermal expansion in an enclosed container. Which one of the following quantities associay+i)2mzb46qdkm 76td z+wpgd q3 :n mlted with the gas has a value of zero?

  09.33: An ideal gas undergo 9a) g)uo wfsrzw.6,yzj kv9pyf82*goes an isobaric expansion followed by an isochoric cooling. Which of the following statements must2zgy8,yovp )jg wzw 6ku9f)* a9of rs. be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobarbiqok .h1p:e2ic expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best reprei2.:phe1 kq obsents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the processd:zpwo3e; xustk-z 4t3v- 5l r, the gas performs 80 jou5uk:e4v3-odlxprw3; zszt t-les of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an iz8b x*e*8p3jbro mm7isochoric process on an enclosed ideal gas in which the pressure decrea xijr* 7mm3o8e8bbp z*ses?

  15.47 One mole of a diatomic j /ymajbc.-a xx9xie+srt+ (8ideal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved dut-cxyj+8r9a/mxjaix + be(.sring the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in bmbc ,jp871 kbequal volume containers with them7b 8jc ,kpb1b same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in containers A and B, which is at the higher temperature?
The gas in container A performs non-zero work W on the surroundings during an isobaric (constant pressure) process before the pressure is reduced isochorically (constant volume) to 1/2 its initial amount.
The gas in container B has its pressure reduced isochorically (constant volume) to 1/2 its initial value and then the gas performs non-zero work W on the surroundings during an isobaric (constant pressure) process.

  05.38: The PV diagrameuj p9 wg-5f bcqem.)4 shows four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant volume). For which g 4cebu5mj pf)qw-.9eprocess(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T fga, zu-k u8h msi48+8e-mp hdkn0h cz8or an ideal gas, which one of the following reversible processes has thpus-hd8 48a 0k8 k n+zeguhzhcmim-8,e most heat associated with it?

  04.45: Container A has a sample of monatomic ideayvllbl r-1 (f)l gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each gas now uvl(1 )l b-rlfyndergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has preswz.h+ fof ;7fvsure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy addfo+;vhzwf .f7ed to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to wav du4vtba; x. q((xcp 1;nu.undergo reversible processes. Which one of the following choices is a correct statement about thex.41cua.xq v p wav (bnt(d;;u heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling